Crab measuring device



FIG. 1 is a front perspective view of the crab measuring device of the present invention showing my new design;

FIG. 2 is a top edge view thereof;

FIG. 3 is a left side edge view thereof;

FIG. 4 is a front elevational view thereof with the rear side being a rear image thereof;

FIG. 5 is a right side edge view thereof; and,

FIG. 6 is a bottom edge view thereof. 

The ornamental design for a crab measuring device, as shown and described. 